Scholars Portal Definition of AIP
Scholars Portal Definition of AIP
1.
Archival Information Package (AIP)
o The information package consisting of the Content Information (CI),
Preservation Description Information (PDI), Packaging Information (PI), and
Descriptive Information (DI), that is archived at Scholars Portal.
o The level of content in a Scholars Portal AIP can vary, depending on the
amount of content provided by the publisher.
o This description will use the OAIS Information Model to illustrate
completeness of our conceptual model, and will describe, in general terms,
what a Scholars Portal AIP looks like.
1.1. Content Information (CI)
o The Content Data Object is generally stored separately from the primary
preservation metadata file, which is held in the Marklogic database.
o The CDO will be stored on a filesystem with a reference to its location
contained in the preservation metadata.
o Representation Information is maintained, and contains information on the
CDO's file format, version, and a reference to a format registry in order to
provide information on how to interpret the file. See: registry of file formats
1.2. Preservation Description Information (PDI)
o Reference Information - Identifiers are stored for each article identifying it
globally (e.g. DOI) and locally (e.g. URI).
o Provenance Information - Provenance metadata is maintained for each
object that provides a history of preservation events in the object's lifetime,
beginning at ingest into the SP repository and referencing any preservation
activities taken on the object (e.g., replacement due to corruption, format
migration, etc.).
o Context Information - As appropriate, information on how a CDO relates to
other CDOs or to other conceptual entities. Examples of these relationships
can include: a newer version of a document that supersedes an older one,
or a journal article that is a part of a journal issue.
Last updated: 8/24/11
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Scholars Portal Definition of AIP
o Fixity Information - Fixity information is generated at the time of ingest in
order to later determine whether or not the item remains in the same state
as when it was ingested. This information can be used to determine integrity
of an object being copied within the system (as in the case of a change in
storage location), or for periodic integrity checks.
1.3. Packaging Information (PI)
o Scholars Portal preservation metadata packages both the descriptive and
preservation metadata together.
1.4. Descriptive Information (DI)
o Depending on the type of CDO, the format of this descriptive metadata can
vary, but is selected to maximize findability. In all cases, the descriptive
metadata will be recreated within the preservation metadata.
2.
References
2.1. OAIS (2002) CCSDS 650.0-B-1: Reference Model for an Open Archival
Information System (OAIS). Blue Book. Issue 1. January 2002 (ISO
14721:2003) http://public.ccsds.org/publications/archive/650x0b1.pdf
accessed 2011.08.24
3.
Document History
Version
0.1
0.2
0.3
Last updated: 8/24/11
Date
08/24/11
09/20/11
10/28/11
Change
Draft created
Suggested edits
Minor edits
Author
Aurianne Steinman
Aurianne Steinman
Steve Marks
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